gwen heim is the director and producer behind the al gore warming document an inconvenient truth. the american federation of teachers praised gwen heim to get the country talking about the problem but is not happy with the portrayal of teachers. >> there are 3 million teachers in this country and those who do heroic things every day. and we need to give the teachers the tools and conditions to support them rather than scapegoat them. >> reporter: gwen heim said he didn't expect any support, but the ground swell around this project has been greating and confesses although he's a huge supporter of public schools, he's so trouble by the current state he chose private schools for his own children. shannon green, fox news. >> i had a chance to see the documentary and also the chance to sit down with davis gwen heim to talk about his new film. >> so this documentary, and you go in and you know you're going to be moved and have an interest in what is going on in the schools and you don't expect to go through a whole box of kleenex, because you get so involved in the students' lives. what